<template>
  <div class="upload-container">
     <!-- icon="el-icon-upload" -->
    <el-button
     
      size="mini"
      :style="{ background: color, borderColor: color }"
      @click="dialogVisible = true"
      type="primary"
      >上传图片
    </el-button>
    

    <!-- 上传图片 -->
    <el-dialog append-to-body :visible.sync="dialogVisible">
      <el-upload
        class="editor-slide-upload"
        :action="uploadApi"
        :data="dataObj"
        :multiple="true"
        :file-list="fileList"
        :show-file-list="true"
        list-type="picture-card"
        :on-remove="handleRemove"
        :on-success="handleSuccess"
        :before-upload="beforeUpload"
      >
        <el-button size="small" type="primary">点击上传</el-button>
      </el-upload>
      <el-button @click="dialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="handleSubmit">确 定</el-button>
    </el-dialog>
  </div>
</template>

<script>
import { policy } from "@/api/oss";

export default {
  name: "editorSlideUpload",
  props: {
    color: {
      type: String,
      default: "#1890ff",
    },
  },
  data() {
    return {
      uploadApi: process.env.BASE_API + "aliyun/oss/upload1", // 上传文件路由
      // uploadApi: process.env.BASE_API+'cos/upload',// 上传文件路由
      dialogVisible: false,
      listObj: {},
      fileList: [],
      dataObj: {
        policy: "",
        signature: "",
        key: "",
        ossaccessKeyId: "",
        dir: "",
        host: "",
      },

     
    };
  },
  methods: {
   

    checkAllSuccess() {
      return Object.keys(this.listObj).every(
        (item) => this.listObj[item].hasSuccess
      );
    },
    
    handleSubmit() {
      const arr = Object.keys(this.listObj).map((v) => this.listObj[v]);
      if (!this.checkAllSuccess()) {
        this.$message(
          "请等待所有图片上传成功 或 出现了网络问题，请刷新页面重新上传！"
        );
        return;
      }
      this.$emit("successCBK", arr);
      this.listObj = {};
      this.fileList = [];
      this.dialogVisible = false;
    },
    handleSuccess(response, file) {
      const uid = file.uid;
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          this.listObj[objKeyArr[i]].url = response.data;
          this.listObj[objKeyArr[i]].hasSuccess = true;
          return;
        }
      }
    },
    handleRemove(file) {
      const uid = file.uid;
      const objKeyArr = Object.keys(this.listObj);
      for (let i = 0, len = objKeyArr.length; i < len; i++) {
        if (this.listObj[objKeyArr[i]].uid === uid) {
          delete this.listObj[objKeyArr[i]];
          return;
        }
      }
    },
    beforeUpload(file) {
      const _self = this;
      const fileName = file.uid;
      this.listObj[fileName] = {};
      return new Promise((resolve, reject) => {
        policy()
          .then((response) => {
            _self.dataObj.policy = response.data.policy;
            _self.dataObj.signature = response.data.signature;
            _self.dataObj.ossaccessKeyId = response.data.accessKeyId;
            _self.dataObj.key = response.data.dir + "/${filename}";
            _self.dataObj.dir = response.data.dir;
            _self.dataObj.host = response.data.host;
            _self.listObj[fileName] = {
              hasSuccess: false,
              uid: file.uid,
              width: this.width,
              height: this.height,
            };
            resolve(true);
          })
          .catch((err) => {
            reject(false);
          });
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.upload-container .editor-slide-upload {
  margin-bottom: 20px;
}
</style>
